78950204988 has 48 divisors (see below), whose sum is σ = 189248866464. Its totient is φ = 25598315520.

The previous prime is 78950204941. The next prime is 78950204999. The reversal of 78950204988 is 88940205987.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700256 + ... + 1746072.

It is an arithmetic number, because the mean of its divisors is an integer number (3942684718).

Almost surely, 2^78950204988 is an apocalyptic number.

It is an amenable number.

78950204988 is an abundant number, since it is smaller than the sum of its proper divisors (110298661476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78950204988 is a wasteful number, since it uses less digits than its factorization.

78950204988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49742 (or 49740 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

Subtracting 78950204988 from its reverse (88940205987), we obtain a palindrome (9990000999).

The spelling of 78950204988 in words is "seventy-eight billion, nine hundred fifty million, two hundred four thousand, nine hundred eighty-eight".